<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
    <style>
        .bd{
            border: 1px solid red;
        }
    </style>
<body>
<div class="bd">
    <div class="bd">
        <h1>你好，世界<br>Hello World</h1>
        <p>如果你没有账号，可以<a href="#">点击这里</a>进行注册.</p>
    </div>
    <div class="bd">
        <form  action="./form.html" target="_self" method="post">
            <p><input type="tel" name="tel" required minlength="11" maxlength="11" placeholder="手机号"></p>
            <p><input type="password" name="pwd" required placeholder="密码"></p>
            <p><a href="#">找回密码</a></p>
            <p><input type="submit" value="登录"></p>
        </form>
    </div>
    <div class="bd">
        <ul>
            <li><a href="#">图标1</a></li>
            <li><a href="#">图标2</a></li>
            <li><a href="#">图标3</a></li>
        </ul>

    </div>

</div>

</body>
</html>